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| 1 | 声波测井新技术显示文摘自50年前问世以来,声波测井技术已经取得了长足进展。最新的声波测井技术能够提供迄今为止最高质量的数据,根据声波测量数据能够描述井眼周围和距离井眼数十英尺深地层的力学和流体特性。 | J.L.Arroyo Franco M.A.Mercado rtiz Gopa S.De Lasse Renlie Stephen williams | 2007 | 国外测井技术2007，22，2： | 8 |
| 2 | Study on hydrogen assisted cracking susceptibility of HSLA steel by implant test显示文摘DMR-249 A is an indigenously developed high strength low alloy steel for Indian ship building industry for making ship-hull and is extensively used in the construction of war ships and submarines. Welding electrodes conforming to SFA 5.5 AWS E8018 C1 has been indigenously developed for welding of this steel using shielded metal arc welding process. In the present study, susceptibility to hydrogen assisted cracking of DMR-249 A steel welds made using this electrode has been assessed using implant test. Implant tests were conducted using this electrode at two different levels of diffusible hydrogen, measured using gas chromatography technique. It is observed that both the steel and the welding consumable are not susceptible to hydrogen assisted cracking even with a high diffusible hydrogen level of 9 m L/100 g of weld metal. In implant tests, specimen did not fracture even after loading to stress levels higher than the yield strength of the base metal. The good resistance of this steel and the welding consumable, even with high levels of diffusible hydrogen, is attributed to absence of a susceptible microstructure in both the weld metal and heat affected zone. Hence, this study shows that, in the absence of a susceptible microstructure, hydrogen assisted cracking is unlikely to occur even if hydrogen level is high. It also confirms that in welding of DMR-249 A with indigenously developed E8018 C1 electrode, hydrogen assisted cracking is not a concern and no preheating is required to avoid it during welding. | Gopa CHAKRABORTY R. REJEESH S.K. ALBERT | 2016 | Defence Technology(防务技术)2016，12，6： | 2 |
| 3 | I-123-mIBG myocardial imaging for assessment of risk for a major cardiac event in heart failure patients: insights from a retrospective European multicenter study显示文摘 | Denis Agostini Hein J. Verberne Wolfgang Burchert Juhani Knuuti Pavol Povinec Gianmario Sambuceti Mustafa Unlu Montserrat Estorch Gopa Banerjee Arnold F. Jacobson | 2008 | European Journal of Nuclear Medicine and Molecular Imaging2008，，3： | 1 |
| 4 | GIS support for distributed group-work in regional planning显示文摘 | Jones R M Gopas C V Edmonds E A | 1997 | International Journal of Geographical Information Sicence1997，11，1： | 1 |
| 5 | A neural network method for mixture estimation for vegetation mapping显示文摘 | Carpenter G Gopa S Macomber S | 1999 | Remote Sens Environ1999，70，： | 1 |
| 6 | Sonic investigations in and around the borehole显示文摘 | Arroyo J L Mercado M A Gopa S D | 2006 | Oilfield Review Spring2006，18，1： | 1 |
| 7 | Comparison of P- and S-wave elocities and Q's value from VSP and sonic log data 显示文摘 | Gopa S De Winterstein D F Mark A | 1994 | Gephysics1994，59，10： | 1 |
| 8 | Sonic investigations in and around the borehole显示文摘 | Arroyo J L Mercado M A Gopa S D etal | 2006 | Oilfield Review2006，18，1： | 1 |
| 9 | FTIR microscopic studies on normaland H-Ras oncogene transfected cultured mouse fibroblasts显示文摘 | RAMESH J SALMAN A HAMMODY Z COHEN B GOPAS J GROSSMAN N MORDECHAI S | 2001 | Eur Biophys J2001，30，4： | 1 |
| 10 | Synthesis and study of physico-chemical properties of a new chiral Schiff base ligand and its metal complex 显示文摘 | Gopa B R | 2009 | Inorganica Chimica Acta2009，362，6： | 1 |
| 11 | Preparation and properties of regular poly(amide-ureas)显示文摘 | Gopa J Srimivasan M | 1985 | J Polym Sci Polym Chem Ed1985，23，： | 1 |
| 12 | Minute virus of mice(MVMp)infection and NS1expression induce p53independent apoptosis in transformed rat fibroblast cells显示文摘 | Mincberg M Gopas J Tal J | 2011 | Virology2011，412，1： | 1 |
| 13 | Characterization of the gene for human EMMPRIN, a tumor cell suface inducer of matrix metalloproteinases显示文摘 | Huiming G Gopa M Timothy CJ | 1998 | Gene1998，220，： | 1 |
| 14 | On the power-law behavior of subsurface heterogeneity显示文摘 | Joe S Gopa S D | 2001 | Expanded Abstracts of 71^st Annual Internat SEG Mtg2001，，： | 1 |
| 15 | Effect of protein kinase C activating tumor promoters on metastases formation by fibrosarcoma cells显示文摘 | Isakov N Gopas J Priel E | 1991 | Invasion Metastasis1991，11，1： | 1 |
| 16 | Optimal System Selection in Fuzzy Environment 显示文摘 | Ashok K Gopa K | 1998 | Int J of Systems Science1998，29，2： | 1 |
| 17 | Human protein reference database-2006 update显示文摘 | Gopa M Suresh M Kumaran K | 2006 | Nucleic Acids Research2006，34，： | 1 |
| 18 | A pro-inflammatory role for nuclear factor kappa B in childhood obstructive sleep apnea syndrome显示文摘 | Israel LP Benharoch D Gopas J | 2013 | Sleep2013，36，12： | 1 |
| 19 | A study on sintered Ti02 and Ti02/SiC composites synthesized through chemical reaction based solution method显示文摘 | SANKAR M DILIP KUMAR M GOPA M ROY G S DEBADHAYAN B MANTRY S SINGH S K | 2013 | Journal of Composite Materials2013，47，24： | 1 |
| 20 | Impact of Cyclone Nilam on Tropical Lower Atmospheric Dynamics显示文摘A deep depression formed over the Bay of Bengal on 28 October 2012, and developed into a cyclonic storm. After landfall near the south coast of Chennai, cyclone Nilam moved north-northwestwards. Coordinated experiments were conducted from the Indian stations of Gadanki(13.5?N, 79.2?E) and Hyderabad(17.4?N, 78.5?E) to study the modification of gravity-wave activity and turbulence by cyclone Nilam, using GPS radiosonde and mesosphere–stratosphere–troposphere radar data. The horizontal velocities underwent large changes during the closest approach of the storm to the experimental sites. Hodograph analysis revealed that inertia gravity waves(IGWs) associated with the cyclone changed their directions from northeast(control time) to northwest following the path of the cyclone. The momentum flux of IGWs and short-period gravity waves(1–8 h) enhanced prior to, and during, the passage of the storm(±0.05 m2s-2and ±0.3 m2s-2, respectively), compared to the flux after its passage. The corresponding body forces underwent similar changes, with values ranging between ±2–4m s-1d-1and ±12–15 m s-1d-1. The turbulence refractivity structure constant(C2n) showed large values below 10 km before the passage of the cyclone when humidity in the region was very high. Turbulence and humidity reduced during the passage of the storm when a turbulent layer at ~17 km became more intense. Turbulence in the lower troposphere and near the tropopause became weak after the passage of the cyclone. | P.VINAY KUMAR Gopa DUTTA M.V.RATNAM E.KRISHNA B.BAPIRAJU B.Venkateswara RAO Salauddin MOHAMMAD | 2016 | Advances in Atmospheric Sciences2016，33，8： | 1 |
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